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6 <br />ENERGY FUELS RESOURCES <br />CORPORATION <br />April 28, 2008 <br />Colorado Department of Health <br />Water Quality Control Division <br />WQCD-P-B2 <br />4300 Cherry Creek Drive South <br />Denver, CO 80246-1530 <br />RE: Submittal of March 2008 Discharge Monitoring Report and Notification of Non- <br />Compliance <br />To Whom It May Concern: <br />Energy Fuels Resources Corporation (Energy Fuels) is providing the attached Discharge <br />Monitoring Report (DMR) for the month of March 2008 for the Whirlwind Mine water <br />treatment plant located at 30100 5110 Road, Gateway, Colorado 81522. Discharge of <br />treated water from the Whirlwind Mine is allowed in accordance with Colorado <br />Discharge Permit System (CDPS) permit number CO-0047562. In addition, this letter <br />serves as a written notification of non-compliance as required in Part II.A.4 of the permit. <br />The Whirlwind Mine workings were dewatered as of January 28, 2008. Currently, mine <br />water is collecting in the mine at a slow rate (approximately 1 to 2 gpm) and is being <br />pumped into the untreated water tank and treated in batch runs, as necessary. Three batch <br />runs occurred in the month of March; from March 6 to 7, March 13 to 14, and March 24 <br />to 26, 2008. A monthly discharge sample was collected on March 25, 2008 and a <br />quarterly discharge sample was collected on March 24 to 26, 2008 in accordance with the <br />aforementioned permit. Analytical sample results indicate that two exceedances of the <br />effluent limitations occurred during the three batch run discharges as follows: <br />F'Mcxgy 1:eels, Inc. <br />uiww? .enemy l:u?^Is.cona <br />44 Union Blvd, Suil;e 600 <br />Laketwood Colorado 802211 <br />Phoue: 303-97/4-2140 <br />Fa,,: 303-974-2141